Differential D9851 Diff 31973 source/blender/blenkernel/intern/DerivedMesh.cc

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source/blender/blenkernel/intern/DerivedMesh.cc

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#include "BLI_utildefines.h"		#include "BLI_utildefines.h"
#include "BLI_vector.hh"		#include "BLI_vector.hh"

#include "BKE_DerivedMesh.h"		#include "BKE_DerivedMesh.h"
#include "BKE_bvhutils.h"		#include "BKE_bvhutils.h"
#include "BKE_colorband.h"		#include "BKE_colorband.h"
#include "BKE_deform.h"		#include "BKE_deform.h"
#include "BKE_editmesh.h"		#include "BKE_editmesh.h"
		#include "BKE_geometry_set.hh"
#include "BKE_key.h"		#include "BKE_key.h"
#include "BKE_layer.h"		#include "BKE_layer.h"
#include "BKE_lib_id.h"		#include "BKE_lib_id.h"
#include "BKE_material.h"		#include "BKE_material.h"
#include "BKE_mesh.h"		#include "BKE_mesh.h"
#include "BKE_mesh_iterators.h"		#include "BKE_mesh_iterators.h"
#include "BKE_mesh_mapping.h"		#include "BKE_mesh_mapping.h"
#include "BKE_mesh_runtime.h"		#include "BKE_mesh_runtime.h"
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{		{
if (me_eval->runtime.wrapper_type_finalize & (1 << ME_WRAPPER_TYPE_BMESH)) {		if (me_eval->runtime.wrapper_type_finalize & (1 << ME_WRAPPER_TYPE_BMESH)) {
editbmesh_calc_modifier_final_normals(me_eval, cd_mask_finalize);		editbmesh_calc_modifier_final_normals(me_eval, cd_mask_finalize);
me_eval->runtime.wrapper_type_finalize &= ~(1 << ME_WRAPPER_TYPE_BMESH);		me_eval->runtime.wrapper_type_finalize &= ~(1 << ME_WRAPPER_TYPE_BMESH);
}		}
BLI_assert(me_eval->runtime.wrapper_type_finalize == 0);		BLI_assert(me_eval->runtime.wrapper_type_finalize == 0);
}		}

		/**
		* Modifies the given mesh and geometry set. The geometry set is expect to have NO mesh component.
		* After this function ends, the geometry set will still have NO mesh component. Instead, an input
		* mesh is passed separately and is returned separately.
		*
		* The purpose of the geometry set is to store all non-mesh geometry components that are generated
		* by modifiers.
		*/
		static Mesh modifier_modify_mesh_and_geometry_set(ModifierData md,
		const ModifierEvalContext &mectx,
		Object *ob,
		Mesh *input_mesh,
		GeometrySet &geometry_set)
		{
		Mesh *mesh_output = nullptr;
		const ModifierTypeInfo *mti = BKE_modifier_get_info((ModifierType)md->type);
		if (mti->modifyGeometrySet == nullptr) {
		mesh_output = BKE_modifier_modify_mesh(md, &mectx, input_mesh);
		}
		else {
		BKE_mesh_wrapper_ensure_mdata(input_mesh);
		brechtUnsubmitted Not Done Inline Actions For performance reasons, at some point we should move this deeper into the nodes, so that we don't always have to convert between mesh and editmesh. Maybe leave a comment about that. brecht: For performance reasons, at some point we should move this deeper into the nodes, so that we…

		/* Adds a new mesh component to the geometry set based on the #input_mesh. */
		BLI_assert(!geometry_set.has<MeshComponent>());
		MeshComponent &mesh_component = geometry_set.get_component_for_write<MeshComponent>();
		mesh_component.replace(input_mesh, GeometryOwnershipType::Editable);
		mesh_component.copy_vertex_group_names_from_object(*ob);

		/* Let the modifier change the geometry set. */
		mti->modifyGeometrySet(md, &mectx, &geometry_set);

		/* Release the mesh from the geometry set again. */
		if (geometry_set.has<MeshComponent>()) {
		MeshComponent &mesh_component = geometry_set.get_component_for_write<MeshComponent>();
		mesh_output = mesh_component.release();
		geometry_set.remove<MeshComponent>();
		}

		/* Return an empty mesh instead of null. */
		if (mesh_output == nullptr) {
		mesh_output = BKE_mesh_new_nomain(0, 0, 0, 0, 0);
		BKE_mesh_copy_settings(mesh_output, input_mesh);
		}
		}

		return mesh_output;
		}

static void mesh_calc_modifiers(struct Depsgraph *depsgraph,		static void mesh_calc_modifiers(struct Depsgraph *depsgraph,
Scene *scene,		Scene *scene,
Object *ob,		Object *ob,
int useDeform,		int useDeform,
const bool need_mapping,		const bool need_mapping,
const CustomData_MeshMasks *dataMask,		const CustomData_MeshMasks *dataMask,
const int index,		const int index,
const bool use_cache,		const bool use_cache,
const bool allow_shared_mesh,		const bool allow_shared_mesh,
/* return args */		/* return args */
Mesh **r_deform,		Mesh **r_deform,
Mesh **r_final)		Mesh **r_final,
		GeometrySet **r_geometry_set)
{		{
/* Input and final mesh. Final mesh is only created the moment the first		/* Input and final mesh. Final mesh is only created the moment the first
* constructive modifier is executed, or a deform modifier needs normals		* constructive modifier is executed, or a deform modifier needs normals
* or certain data layers. */		* or certain data layers. */
Mesh mesh_input = (Mesh )ob->data;		Mesh mesh_input = (Mesh )ob->data;
Mesh *mesh_final = nullptr;		Mesh *mesh_final = nullptr;
Mesh *mesh_deform = nullptr;		Mesh *mesh_deform = nullptr;
		/* This geometry set contains the non-mesh data that might be generated by modifiers. */
		GeometrySet geometry_set_final;
BLI_assert((mesh_input->id.tag & LIB_TAG_COPIED_ON_WRITE_EVAL_RESULT) == 0);		BLI_assert((mesh_input->id.tag & LIB_TAG_COPIED_ON_WRITE_EVAL_RESULT) == 0);

/* Deformed vertex locations array. Deform only modifier need this type of		/* Deformed vertex locations array. Deform only modifier need this type of
* float array rather than MVert*. Tracked along with mesh_final as an		* float array rather than MVert*. Tracked along with mesh_final as an
* optimization to avoid copying coordinates back and forth if there are		* optimization to avoid copying coordinates back and forth if there are
* multiple sequential deform only modifiers. */		* multiple sequential deform only modifiers. */
float(*deformed_verts)[3] = nullptr;		float(*deformed_verts)[3] = nullptr;
int num_deformed_verts = mesh_input->totvert;		int num_deformed_verts = mesh_input->totvert;
▲ Show 20 Lines • Show All 281 Lines • ▼ Show 20 Lines	else {
if ((md_datamask->mask.lmask) & CD_MASK_ORIGSPACE_MLOOP) {		if ((md_datamask->mask.lmask) & CD_MASK_ORIGSPACE_MLOOP) {
if (!CustomData_has_layer(&mesh_final->ldata, CD_ORIGSPACE_MLOOP)) {		if (!CustomData_has_layer(&mesh_final->ldata, CD_ORIGSPACE_MLOOP)) {
CustomData_add_layer(		CustomData_add_layer(
&mesh_final->ldata, CD_ORIGSPACE_MLOOP, CD_CALLOC, nullptr, mesh_final->totloop);		&mesh_final->ldata, CD_ORIGSPACE_MLOOP, CD_CALLOC, nullptr, mesh_final->totloop);
mesh_init_origspace(mesh_final);		mesh_init_origspace(mesh_final);
}		}
}		}

Mesh *mesh_next = BKE_modifier_modify_mesh(md, &mectx, mesh_final);		Mesh *mesh_next = modifier_modify_mesh_and_geometry_set(
		md, mectx, ob, mesh_final, geometry_set_final);
ASSERT_IS_VALID_MESH(mesh_next);		ASSERT_IS_VALID_MESH(mesh_next);

if (mesh_next) {		if (mesh_next) {
/* if the modifier returned a new mesh, release the old one */		/* if the modifier returned a new mesh, release the old one */
if (mesh_final != mesh_next) {		if (mesh_final != mesh_next) {
BLI_assert(mesh_final != mesh_input);		BLI_assert(mesh_final != mesh_input);
BKE_id_free(nullptr, mesh_final);		BKE_id_free(nullptr, mesh_final);
}		}
▲ Show 20 Lines • Show All 161 Lines • ▼ Show 20 Lines	if (is_own_mesh) {
mesh_calc_finalize(mesh_input, mesh_final);		mesh_calc_finalize(mesh_input, mesh_final);
}		}

/* Return final mesh */		/* Return final mesh */
*r_final = mesh_final;		*r_final = mesh_final;
if (r_deform) {		if (r_deform) {
*r_deform = mesh_deform;		*r_deform = mesh_deform;
}		}
		if (r_geometry_set) {
		*r_geometry_set = new GeometrySet(std::move(geometry_set_final));
		}
}		}

float (editbmesh_vert_coords_alloc(BMEditMesh em, int *r_vert_len))[3]		float (editbmesh_vert_coords_alloc(BMEditMesh em, int *r_vert_len))[3]
{		{
BMIter iter;		BMIter iter;
BMVert *eve;		BMVert *eve;
float(*cos)[3];		float(*cos)[3];
int i;		int i;
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static void editbmesh_calc_modifiers(struct Depsgraph *depsgraph,		static void editbmesh_calc_modifiers(struct Depsgraph *depsgraph,
Scene *scene,		Scene *scene,
Object *ob,		Object *ob,
BMEditMesh *em_input,		BMEditMesh *em_input,
const CustomData_MeshMasks *dataMask,		const CustomData_MeshMasks *dataMask,
/* return args */		/* return args */
Mesh **r_cage,		Mesh **r_cage,
Mesh **r_final)		Mesh **r_final,
		GeometrySet **r_geometry_set)
{		{
/* Input and final mesh. Final mesh is only created the moment the first		/* Input and final mesh. Final mesh is only created the moment the first
* constructive modifier is executed, or a deform modifier needs normals		* constructive modifier is executed, or a deform modifier needs normals
* or certain data layers. */		* or certain data layers. */
Mesh mesh_input = (Mesh )ob->data;		Mesh mesh_input = (Mesh )ob->data;
Mesh *mesh_final = nullptr;		Mesh *mesh_final = nullptr;
Mesh *mesh_cage = nullptr;		Mesh *mesh_cage = nullptr;
		/* This geometry set contains the non-mesh data that might be generated by modifiers. */
		GeometrySet geometry_set_final;

/* Deformed vertex locations array. Deform only modifier need this type of		/* Deformed vertex locations array. Deform only modifier need this type of
* float array rather than MVert*. Tracked along with mesh_final as an		* float array rather than MVert*. Tracked along with mesh_final as an
* optimization to avoid copying coordinates back and forth if there are		* optimization to avoid copying coordinates back and forth if there are
* multiple sequential deform only modifiers. */		* multiple sequential deform only modifiers. */
float(*deformed_verts)[3] = nullptr;		float(*deformed_verts)[3] = nullptr;
int num_deformed_verts = 0;		int num_deformed_verts = 0;
bool isPrevDeform = false;		bool isPrevDeform = false;
▲ Show 20 Lines • Show All 148 Lines • ▼ Show 20 Lines	else {
if (mask.lmask & CD_MASK_ORIGSPACE_MLOOP) {		if (mask.lmask & CD_MASK_ORIGSPACE_MLOOP) {
if (!CustomData_has_layer(&mesh_final->ldata, CD_ORIGSPACE_MLOOP)) {		if (!CustomData_has_layer(&mesh_final->ldata, CD_ORIGSPACE_MLOOP)) {
CustomData_add_layer(		CustomData_add_layer(
&mesh_final->ldata, CD_ORIGSPACE_MLOOP, CD_CALLOC, nullptr, mesh_final->totloop);		&mesh_final->ldata, CD_ORIGSPACE_MLOOP, CD_CALLOC, nullptr, mesh_final->totloop);
mesh_init_origspace(mesh_final);		mesh_init_origspace(mesh_final);
}		}
}		}

Mesh *mesh_next = BKE_modifier_modify_mesh(md, &mectx, mesh_final);		Mesh *mesh_next = modifier_modify_mesh_and_geometry_set(
		md, mectx, ob, mesh_final, geometry_set_final);
ASSERT_IS_VALID_MESH(mesh_next);		ASSERT_IS_VALID_MESH(mesh_next);

if (mesh_next) {		if (mesh_next) {
if (mesh_final && mesh_final != mesh_next) {		if (mesh_final && mesh_final != mesh_next) {
BKE_id_free(nullptr, mesh_final);		BKE_id_free(nullptr, mesh_final);
}		}
mesh_final = mesh_next;		mesh_final = mesh_next;

▲ Show 20 Lines • Show All 85 Lines • ▼ Show 20 Lines	if (mesh_cage && (mesh_cage != mesh_final)) {
editbmesh_calc_modifier_final_normals(mesh_cage, &final_datamask);		editbmesh_calc_modifier_final_normals(mesh_cage, &final_datamask);
}		}

/* Return final mesh. */		/* Return final mesh. */
*r_final = mesh_final;		*r_final = mesh_final;
if (r_cage) {		if (r_cage) {
*r_cage = mesh_cage;		*r_cage = mesh_cage;
}		}
		if (r_geometry_set) {
		*r_geometry_set = new GeometrySet(std::move(geometry_set_final));
		}
}		}

static void mesh_build_extra_data(struct Depsgraph depsgraph, Object ob, Mesh *mesh_eval)		static void mesh_build_extra_data(struct Depsgraph depsgraph, Object ob, Mesh *mesh_eval)
{		{
uint32_t eval_flags = DEG_get_eval_flags_for_id(depsgraph, &ob->id);		uint32_t eval_flags = DEG_get_eval_flags_for_id(depsgraph, &ob->id);

if (eval_flags & DAG_EVAL_NEED_SHRINKWRAP_BOUNDARY) {		if (eval_flags & DAG_EVAL_NEED_SHRINKWRAP_BOUNDARY) {
BKE_shrinkwrap_compute_boundary_data(mesh_eval);		BKE_shrinkwrap_compute_boundary_data(mesh_eval);
Show All 30 Lines	if (need_mapping) {
/* Also add the flag so that it is recorded in lastDataMask. */		/* Also add the flag so that it is recorded in lastDataMask. */
dataMask->vmask \|= CD_MASK_ORIGINDEX;		dataMask->vmask \|= CD_MASK_ORIGINDEX;
dataMask->emask \|= CD_MASK_ORIGINDEX;		dataMask->emask \|= CD_MASK_ORIGINDEX;
dataMask->pmask \|= CD_MASK_ORIGINDEX;		dataMask->pmask \|= CD_MASK_ORIGINDEX;
}		}
#endif		#endif

Mesh mesh_eval = nullptr, mesh_deform_eval = nullptr;		Mesh mesh_eval = nullptr, mesh_deform_eval = nullptr;
		GeometrySet *geometry_set_eval = nullptr;
mesh_calc_modifiers(depsgraph,		mesh_calc_modifiers(depsgraph,
scene,		scene,
ob,		ob,
1,		1,
need_mapping,		need_mapping,
dataMask,		dataMask,
-1,		-1,
true,		true,
true,		true,
&mesh_deform_eval,		&mesh_deform_eval,
&mesh_eval);		&mesh_eval,
		&geometry_set_eval);

/* The modifier stack evaluation is storing result in mesh->runtime.mesh_eval, but this result		/* The modifier stack evaluation is storing result in mesh->runtime.mesh_eval, but this result
* is not guaranteed to be owned by object.		* is not guaranteed to be owned by object.
*		*
* Check ownership now, since later on we can not go to a mesh owned by someone else via		* Check ownership now, since later on we can not go to a mesh owned by someone else via
* object's runtime: this could cause access freed data on depsgraph destruction (mesh who owns		* object's runtime: this could cause access freed data on depsgraph destruction (mesh who owns
* the final result might be freed prior to object). */		* the final result might be freed prior to object). */
Mesh mesh = (Mesh )ob->data;		Mesh mesh = (Mesh )ob->data;
const bool is_mesh_eval_owned = (mesh_eval != mesh->runtime.mesh_eval);		const bool is_mesh_eval_owned = (mesh_eval != mesh->runtime.mesh_eval);
BKE_object_eval_assign_data(ob, &mesh_eval->id, is_mesh_eval_owned);		BKE_object_eval_assign_data(ob, &mesh_eval->id, is_mesh_eval_owned);

		/* Add the final mesh as read-only non-owning component to the geometry set. */
		BLI_assert(!geometry_set_eval->has<MeshComponent>());
		MeshComponent &mesh_component = geometry_set_eval->get_component_for_write<MeshComponent>();
		mesh_component.replace(mesh_eval, GeometryOwnershipType::ReadOnly);
		ob->runtime.geometry_set_eval = geometry_set_eval;

ob->runtime.mesh_deform_eval = mesh_deform_eval;		ob->runtime.mesh_deform_eval = mesh_deform_eval;
ob->runtime.last_data_mask = *dataMask;		ob->runtime.last_data_mask = *dataMask;
ob->runtime.last_need_mapping = need_mapping;		ob->runtime.last_need_mapping = need_mapping;

BKE_object_boundbox_calc_from_mesh(ob, mesh_eval);		BKE_object_boundbox_calc_from_mesh(ob, mesh_eval);

/* Make sure that drivers can target shapekey properties.		/* Make sure that drivers can target shapekey properties.
* Note that this causes a potential inconsistency, as the shapekey may have a		* Note that this causes a potential inconsistency, as the shapekey may have a
Show All 23 Lines	static void editbmesh_build_data(struct Depsgraph *depsgraph,
if (DEG_is_active(depsgraph)) {		if (DEG_is_active(depsgraph)) {
BKE_sculpt_update_object_before_eval(obedit);		BKE_sculpt_update_object_before_eval(obedit);
}		}

BKE_editmesh_free_derivedmesh(em);		BKE_editmesh_free_derivedmesh(em);

Mesh *me_cage;		Mesh *me_cage;
Mesh *me_final;		Mesh *me_final;
		GeometrySet *non_mesh_components;

editbmesh_calc_modifiers(depsgraph, scene, obedit, em, dataMask, &me_cage, &me_final);		editbmesh_calc_modifiers(
		depsgraph, scene, obedit, em, dataMask, &me_cage, &me_final, &non_mesh_components);

em->mesh_eval_final = me_final;		em->mesh_eval_final = me_final;
em->mesh_eval_cage = me_cage;		em->mesh_eval_cage = me_cage;
		obedit->runtime.geometry_set_eval = non_mesh_components;

BKE_object_boundbox_calc_from_mesh(obedit, em->mesh_eval_final);		BKE_object_boundbox_calc_from_mesh(obedit, em->mesh_eval_final);

em->lastDataMask = *dataMask;		em->lastDataMask = *dataMask;

mesh_runtime_check_normals_valid(em->mesh_eval_final);		mesh_runtime_check_normals_valid(em->mesh_eval_final);
}		}

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Mesh mesh_create_eval_final(Depsgraph depsgraph,		Mesh mesh_create_eval_final(Depsgraph depsgraph,
Scene *scene,		Scene *scene,
Object *ob,		Object *ob,
const CustomData_MeshMasks *dataMask)		const CustomData_MeshMasks *dataMask)
{		{
Mesh *final;		Mesh *final;

mesh_calc_modifiers(depsgraph, scene, ob, 1, false, dataMask, -1, false, false, nullptr, &final);		mesh_calc_modifiers(
		depsgraph, scene, ob, 1, false, dataMask, -1, false, false, nullptr, &final, nullptr);

return final;		return final;
}		}

Mesh mesh_create_eval_final_index_render(Depsgraph depsgraph,		Mesh mesh_create_eval_final_index_render(Depsgraph depsgraph,
Scene *scene,		Scene *scene,
Object *ob,		Object *ob,
const CustomData_MeshMasks *dataMask,		const CustomData_MeshMasks *dataMask,
int index)		int index)
{		{
Mesh *final;		Mesh *final;

mesh_calc_modifiers(		mesh_calc_modifiers(
depsgraph, scene, ob, 1, false, dataMask, index, false, false, nullptr, &final);		depsgraph, scene, ob, 1, false, dataMask, index, false, false, nullptr, &final, nullptr);

return final;		return final;
}		}

Mesh mesh_create_eval_no_deform(Depsgraph depsgraph,		Mesh mesh_create_eval_no_deform(Depsgraph depsgraph,
Scene *scene,		Scene *scene,
Object *ob,		Object *ob,
const CustomData_MeshMasks *dataMask)		const CustomData_MeshMasks *dataMask)
{		{
Mesh *final;		Mesh *final;

mesh_calc_modifiers(depsgraph, scene, ob, 0, false, dataMask, -1, false, false, nullptr, &final);		mesh_calc_modifiers(
		depsgraph, scene, ob, 0, false, dataMask, -1, false, false, nullptr, &final, nullptr);

return final;		return final;
}		}

Mesh mesh_create_eval_no_deform_render(Depsgraph depsgraph,		Mesh mesh_create_eval_no_deform_render(Depsgraph depsgraph,
Scene *scene,		Scene *scene,
Object *ob,		Object *ob,
const CustomData_MeshMasks *dataMask)		const CustomData_MeshMasks *dataMask)
{		{
Mesh *final;		Mesh *final;

mesh_calc_modifiers(depsgraph, scene, ob, 0, false, dataMask, -1, false, false, nullptr, &final);		mesh_calc_modifiers(
		depsgraph, scene, ob, 0, false, dataMask, -1, false, false, nullptr, &final, nullptr);

return final;		return final;
}		}

/***/		/***/

Mesh editbmesh_get_eval_cage_and_final(Depsgraph depsgraph,		Mesh editbmesh_get_eval_cage_and_final(Depsgraph depsgraph,
Scene *scene,		Scene *scene,
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